Total Hardness Test Kits

1. Fill the vial bottle to 25 ml with water to be tested.
2. Add 1 scoop of Hardness Indicator Powder and swirl.
3. If the water turns Blue, no hardness is present and report as 0 ppm.
4. If the water turns Red or Pink, continue test.
5. Add titrating solution, drop by drop, swirling the vial until the solution turns Blue.
6. The calcium hardness is the number of drops times the factor of the test.